#63B82B#63B82B

#63B82B is a light, vivid yellow-green. Relative luminance 0.371; OKLCH L 70.2% C 0.190 H 136.0°. Best body text is #000000 at 8.42:1 contrast (WCAG AA passes).

Color values

HEX#63B82B
RGBrgb(99, 184, 43)
HSLhsl(96, 62%, 45%)
HSVhsv(96, 77%, 72%)
CMYKcmyk(46.2%, 0%, 76.6%, 27.8%)
CIE-LABlab(67.36, -48.98, 59.09)
CIE-LCHlch(67.36, 76.75, 129.66°)
OKLaboklab(70.23% -0.1365 0.1318)
OKLCHoklch(70.23% 0.19 136)
XYZxyz(22.7215, 37.1066, 8.2501)
Luminance0.3711 (WCAG relative)
Temperaturewarm
Familyyellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#63B82B #802BB8
analogous
#AAB82B #63B82B #2BB839
triadic
#63B82B #2B63B8 #B82B63
tetradic
#63B82B #2BAAB8 #802BB8 #B8392B
square
#63B82B #2BAAB8 #802BB8 #B8392B
split-complementary
#63B82B #392BB8 #B82BAA
monochromatic
#2E5514 #48861F #63B82B #82D54B #A4E17D

Accessibility & contrast

On white

2.49
#63B82B on #FFFFFF
AA ✗AA large ✗AAA ✗

On black

8.42
#63B82B on #000000
AA ✓AA large ✓AAA ✓

Best text color

#000000 on #63B82B
8.42:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##63B82B#FFFFFF#000000##000000
##63B82B1.002.498.428.42
#FFFFFF2.491.0021.0021.00
#0000008.4221.001.001.00
##0000008.4221.001.001.00

Color blindness preview

Protanopia (red-blind)
#BFA806
Deuteranopia (green-blind)
#B3A13A
Tritanopia (blue-blind)
#5FB19D
Achromatopsia (no color)
#A4A4A4

Design tokens & code

CSS
--color: #63b82b;
/* rgb */ color: rgb(99, 184, 43);
/* oklch */ color: oklch(70.2% 0.190 136.0);
Tailwind
colors: {
  custom: {
    50: '#97ce6f',
    500: '#63b82b',
    950: '#000000',
  },
}
SCSS
$custom: #63b82b;
$custom-light: #97ce6f;
$custom-dark: #000000;
JSON
{
  "hex": "#63b82b",
  "rgb": {
    "r": 99,
    "g": 184,
    "b": 43
  },
  "hsl": {
    "h": 96.17,
    "s": 62.115,
    "l": 44.51
  },
  "oklch": {
    "l": 0.70228,
    "c": 0.18973,
    "h": 136
  },
  "luminance": 0.37108
}

Semantic roles & 50–950 ramp

primary
#63B82B
secondary
#A876C9
accent
#43E5A5
background
#F9FCF7
surface
#F2F9ED
border
#CCD2C8
text
#0E1408
muted
#7E827B

Preview Lab

Preview with #63B82B

Body copy rendered with the generated semantic roles for this colour.

Preview Lab → · Contrast checker → · Palette generator →

#63B82B Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva